射频功率放大器、宽带非互异性器件🥲、大规模低成本相控阵列🪹、微波集成电路✌🏿、以及大规模分布式阵列同步系统等

一、个人简介：
朱睿，博士🧑🏽‍✈️，副研究员，硕士生导师。1989年1月16日出生。
主要研究涵盖高效率射频功率放大器🐀、宽带非互异性器件、大规模低成本相控阵列🚚、微波集成电路🚵🏻🔧、以及大规模分布式阵列同步系统。主持自然基金青年项目、北京市科技新星等多个项目👩🏽‍💻，入选国家级青年人才项目👩‍👧‍👦。目前参与“中国复眼”大规模分布孔径深空探测雷达项目研究⚖️。截止目前已在IEEE TMTT, TAP, MWCL等领域内高水平期刊8篇🤍，领域内IEEE IMS, IEEE APSURSI等顶级会议发表论文14篇✒️，授权国内发明专利5项⏲。担任IET Radar Conference TPC Member👨🏼‍🎓，分会Session Chair.担任IEEE TCAS I，TMTT, Optica，Optics Letter等期刊审稿人。

二、教育背景
2017.12，获博士学位🫔，University of California, Los Angeles
2013.06，获工学硕士学位🧘🏼‍♂️，University of California, Los Angeles
2007.07，获工学学士学位，清华大学电子工程系

三、职业经历
2023.02 至今，预聘助理教授，北京尊龙凯时AG娱乐平台招商官方网站
2020.12 – 2023.02🟣，博士后，北京尊龙凯时AG娱乐平台招商官方网站
2017.10 – 2020.11，总工程师🍆，Axend,Inc

四、研究概况：
朱睿于2011年自清华大学毕业后🤎，赴美国加州大学洛杉矶分校电子工程系学习🟨，导师为IEEE Fellow Yuanxun Wang教授🧒🏻，并于2017年取得博士学位，加入导师创办的创业公司Axend，任职总工程师🐞。2020年，通过博士后国际交流计划引进项目加入北京尊龙凯时AG娱乐平台招商官方网站，2023年留校任教。
在射频功放方面，开展了脉冲包络调制算法与射频开关功率放大器研究🧑‍🍼，可解决射频功率放大器中效率与信号线性度的本征矛盾，与合作者发表了3篇SCI期刊论文，以及5篇微波工程领域顶级会议论文🥟，并在IEEE IMS 2017上受邀开办workshop对进行报告，受到多位著名学者认可。在博士后期间开展了宽带射频开关功率放大器研究，获得国家自然基金青年项目支持。在非互异性微波射频前端方面🧖，开展了基于贯序开关级联延时线的超宽带非互异性研究。该项研究通过射频开关实现微波网络动态边界条件🫕，首次仅利用电开关和延时线组合实现超宽带非互易性的技术👷🏼🎬。
工作期间，主要负责射频集成电路与系统的开发，领导工程师小组进行了低成本相控阵列技术研发🚍，完成了基于双波混频架构的无移相器波束电控扫描方案🖐🏽，可显著降低相控阵列成本🦸🏿，完成芯片流片和样机验证，申请了多项专利。在博士后期间，利用双波混叠原理实现新型频控阵列方案，解决了目标距离信息与角度信息耦合的问题。相关成果论文已发表SCI期刊论文2篇，微波领域顶级会议论文1篇。另一项重要工作是面向5G的毫米波通信分布式中继系统，提出来采用频率转换MIMO模式实现户外毫米波与室内微波MIMO信道的容量匹配🧳，该项成果受邀在2018年IEEE IMS的5G峰会上做技术演示🧎🏻🧑🏿‍🎄，同样获得同行肯定🚯，并被环球时报海外版报道。该项技术采用频率正交差分方法，通过频分复用-空分复用信道方式解决了分布式中继延时过长、时频同步困难等问题🌕。
目前🦯，主要研究方向为分布式全相参探测中的同步问题，主要通过高精度闭环链路延时测量与分布式外标校方面开展研究🏊🏼‍♀️，解决分布式节点延时、频率和空间位置同步校准难题。

五、职业活动
国际会议服务工作
Sessions Chair, IET Conference

学术出版物、论文等）
[1] R. Zhu, Q. Xu, G. Liu, Q. Duan, Y. Li, and Y. Wang, "A low-cost electronic scanning antenna with two-wave mixing," in IMS 2017, 2019: IEEE, pp. 758-761.
[2] R. Zhu, M. Xu, Q. Liu, B. Wang, and W. Zhang, "Photonic generation of flexible ultra-wide linearly-chirped microwave waveforms," Optics Express, vol. 29, no. 26, pp. 43731-43744, 2021.
[3] R. Zhu, Y. E. Wang, Q. Xu, Y. Liu, and Y. D. Li, "Millimeter-wave to microwave MIMO relays (M4R) for 5G building penetration communications," in RWS 2018, 2018: IEEE, pp. 206-208.
[4] R. Zhu and Y. E. Wang, "Tunable RF bandpass filter for interference suppression in software defined radios," 2017: IEEE, pp. 2049-2051.
[5] R. Zhu and Y. E. Wang, "A modified QPSK modulation technique for direct antenna modulation (DAM) systems," APSURSI 2013, 2014: IEEE, pp. 1592-1593.
[6] R. Zhu, Y. Song, Y. E. Wang, and Y. Li, "A S-band bitstream transmitter with Channelized Active Noise Elimination (CANE)," in RWS 2015, 2015: IEEE, pp. 1-3.
[7] R. Zhu, Y. Song, and Y. E. Wang, "Channelized active noise elimination (CANE) for suppressing quantization noise in bitstream modulated transmitter (BMT)," EURASIP Journal on Wireless Communications and Networking, vol. 2021, no. 1, p. 187, 2021.
[8] R. Zhu, Y. Song, and Y. E. Wang, "Suppressing transmitter intermodulations with channelized active noise elimination (CANE)," in IMS 2015, 2015: IEEE, pp. 1-4.
[9] R. Zhu, Y. Song, and Y. E. Wang, "Channelized active noise elimination (CANE) with envelope delta sigma modulation," in IMS 2015, 2015: IEEE, pp. 55-57.
[10] R. Zhu, S. P. Selvin, Y. Wang, and N. Guo, "Frequency shift keying for direct antenna modulation (DAM) with electrically small antenna," in APSURSI 2017, 2017: IEEE, pp. 1203-1204.
[11] R. Zhu, Y. Liu, B. Wang, W. Zhang, Q. Xu, and Q. Liu, "Frequency-controlled fixed-RF Beam-steering array based on two-wave mixing with cascaded unequal power divider," IEEE Trans. Antennas Propag., vol. 71, no. 2, pp. 1993-1998, 2022.
[12] R. Zhu, "Digitally Enhanced Switched-Mode RF Transmitters for Efficiency, Bandwidth and Fidelity," 2017.
[13] F. Yang, J. Guo, R. Zhu, J. Le Kernec, Q. Liu, and T. Zeng, "Ground clutter mitigation for slow-time MIMO radar using independent component analysis," Remote Sensing, vol. 14, no. 23, p. 6098, 2022.
[14] Q. Wu, X. Zou, R. Zhu, and Y. E. Wang, "Chip-scale RF correlator with monolithically integrated time-varying transmission line (TVTL)," in IMS 2018, 2018: IEEE, pp. 431-434.
[15] Y. Wang, C. Liu, R. Zhu, M. Liu, Z. Ding, and T. Zeng, "MAda-Net: Model-adaptive deep learning imaging for SAR tomography," IEEE Transactions on Geoscience and Remote Sensing, vol. 61, pp. 1-13, 2023.
[16] Y. Song, R. Zhu, and Y. E. Wang, "Active Noise Filtering for $ X $-Band GaN Transmitters With Bitstream Modulations," IEEE Trans. Microw. Theory Techn., vol. 65, no. 4, pp. 1372-1380, 2017.
[17] Y. Song, R. Zhu, and Y. E. Wang, "An $ X $-Band Pulsed Load Modulation Transmitter With Multilevel Envelope Delta–Sigma Modulations," IEEE Trans. Microw. Theory Techn., vol. 64, no. 11, pp. 3643-3653, 2016.
[18] Y. Song, R. Zhu, and Y. E. Wang, "A X-band GaN power amplifier with Bitstream modulations and active noise filtering," in IMS 2015, 2015: IEEE, pp. 1-3.
[19] Y. Song, R. Zhu, and Y. E. Wang, "A pulsed load modulation (PLM) power amplifier with 3-level envelope delta-sigma modulation (EDSM)," PAWR 2015, 2015: IEEE, pp. 1-3.
[20] S. P. Mysore Nagaraja, R. U. Tok, R. Zhu, S. Bland, A. Propst, and Y. E. Wang, "Magnetic pendulum arrays for efficient wireless power transmission," 2019, vol. 1407: IOP Publishing, 1 ed., p. 012049.
[21] S. P. Mn et al., "Magnetic pendulum arrays for efficient ULF transmission," Scientific Reports, vol. 9, no. 1, p. 13220, 2019.
[22] Y. Liu, R. Zhu, and Q. Liu, "A Novel Low-Cost Frequency Diverse Array With Mirrored Two-Wave Mixing," IEEE Microwave and Wireless Technology Letters, vol. 33, no. 3, pp. 359-362, 2022.
[23] C. Liang, X. Hu, R. Zhu, L. Zhang, and Y. Wang, "Doppler Sidelobe Suppression via Quasi-Neural Network for ST-CDMA MIMO Radar," IEEE Sensors Journal, 2024.
[24] M. M. Biedka, R. Zhu, Q. M. Xu, and Y. E. Wang, "Ultra-wide band non-reciprocity through sequentially-switched delay lines," Scientific reports, vol. 7, no. 1, p. 40014, 2017.
[25] M. M. Biedka, R. Zhu, Q. M. Xu, and Y. E. Wang, "Ultra-wide band on-chip circulators for full-duplex communications," in IMS 2018, 2018: IEEE, pp. 987-990.
[26] M. M. Biedka, R. Zhu, Q. M. Xu, and Y. E. Wang, "Simultaneous transmission and receive (STAR) from DC to RF," in IMS 2017, 2017: IEEE, pp. 1774-1777.

2023年北京市科技新星